640419360

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8287}}^1$

素因数の和:8335

約数の個数: 192

約数和(自身を含む): 2406039552

約数和(自身を除く): 1765620192

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 96, 105, 112, 115, 120, 138, 140, 160, 161, 168, 184, 210, 224, 230, 240, 276, 280, 322, 336, 345, 368, 420, 460, 480, 483, 552, 560, 644, 672, 690, 736, 805, 840, 920, 966, 1104, 1120, 1288, 1380, 1610, 1680, 1840, 1932, 2208, 2415, 2576, 2760, 3220, 3360, 3680, 3864, 4830, 5152, 5520, 6440, 7728, 8287, 9660, 11040, 12880, 15456, 16574, 19320, 24861, 25760, 33148, 38640, 41435, 49722, 58009, 66296, 77280, 82870, 99444, 116018, 124305, 132592, 165740, 174027, 190601, 198888, 232036, 248610, 265184, 290045, 331480, 348054, 381202, 397776, 464072, 497220, 571803, 580090, 662960, 696108, 762404, 795552, 870135, 928144, 953005, 994440, 1143606, 1160180, 1325920, 1334207, 1392216, 1524808, 1740270, 1856288, 1906010, 1988880, 2287212, 2320360, 2668414, 2784432, 2859015, 3049616, 3480540, 3812020, 3977760, 4002621, 4574424, 4640720, 5336828, 5568864, 5718030, 6099232, 6671035, 6961080, 7624040, 8005242, 9148848, 9281440, 10673656, 11436060, 13342070, 13922160, 15248080, 16010484, 18297696, 20013105, 21347312, 22872120, 26684140, 27844320, 30496160, 32020968, 40026210, 42694624, 45744240, 53368280, 64041936, 80052420, 91488480, 106736560, 128083872, 160104840, 213473120, 320209680, 640419360]

約数ペア:

[(1, 640419360), (2, 320209680), (3, 213473120), (4, 160104840), (5, 128083872), (6, 106736560), (7, 91488480), (8, 80052420), (10, 64041936), (12, 53368280), (14, 45744240), (15, 42694624), (16, 40026210), (20, 32020968), (21, 30496160), (23, 27844320), (24, 26684140), (28, 22872120), (30, 21347312), (32, 20013105), (35, 18297696), (40, 16010484), (42, 15248080), (46, 13922160), (48, 13342070), (56, 11436060), (60, 10673656), (69, 9281440), (70, 9148848), (80, 8005242), (84, 7624040), (92, 6961080), (96, 6671035), (105, 6099232), (112, 5718030), (115, 5568864), (120, 5336828), (138, 4640720), (140, 4574424), (160, 4002621), (161, 3977760), (168, 3812020), (184, 3480540), (210, 3049616), (224, 2859015), (230, 2784432), (240, 2668414), (276, 2320360), (280, 2287212), (322, 1988880), (336, 1906010), (345, 1856288), (368, 1740270), (420, 1524808), (460, 1392216), (480, 1334207), (483, 1325920), (552, 1160180), (560, 1143606), (644, 994440), (672, 953005), (690, 928144), (736, 870135), (805, 795552), (840, 762404), (920, 696108), (966, 662960), (1104, 580090), (1120, 571803), (1288, 497220), (1380, 464072), (1610, 397776), (1680, 381202), (1840, 348054), (1932, 331480), (2208, 290045), (2415, 265184), (2576, 248610), (2760, 232036), (3220, 198888), (3360, 190601), (3680, 174027), (3864, 165740), (4830, 132592), (5152, 124305), (5520, 116018), (6440, 99444), (7728, 82870), (8287, 77280), (9660, 66296), (11040, 58009), (12880, 49722), (15456, 41435), (16574, 38640), (19320, 33148), (24861, 25760)]